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Diffstat (limited to 'TAO/ChangeLog-99c')
| -rw-r--r-- | TAO/ChangeLog-99c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/TAO/ChangeLog-99c b/TAO/ChangeLog-99c index 02e8eba8c0c..94afd67a47f 100644 --- a/TAO/ChangeLog-99c +++ b/TAO/ChangeLog-99c @@ -1,3 +1,90 @@ +Tue Apr 06 05:04:51 1999 Irfan Pyarali <irfan@cs.wustl.edu> + + * tao/POA.cpp: Phase two of the new POA design is complete. + + - We now have support for active demuxing of POA. For transient + POAs, we directly use an active demuxing key in the object key + since transient POAs cannot be reactivated. For persistent + POAs, we have added a active demux hint field in the object + key. This hint is in addition to the persistent POA name. + + - The use of the active demux hint for the POA name in the + object key is optional. If used, the lookups are faster + (unless the hint is invalidated by a deactivation or by + restarting a persistent POA). However, using the hint results + in a larger IOR, and more memory being used in the active + object map. This option can be controlled through the + -ORBactivehintinpoanames runtime switch and is turned on by + default. + + - The POA related classes have been rewritten with respect to + exceptions. Memory management in case of exceptions from + servants and in case of dynamic memory / constructor failures + have been greatly improved through the use of auto pointer and + the new ACE_NEW_THROW_EX macro. One of the problems related + to exceptions was that the POA Current was not reset properly. + This has also been fixed. + + - New file Object_Adapter contains an abstraction for all the + POAs in the ORB. This class is used to hold the Object + Adapter lock and the tables for the POAs in the ORB. The + point of contact for dispatching requests and finding servants + has changed from the RootPOA to the Object Adapter. The file + also contains classes to iterate through a folded POA name. + + - New file Key_Adapters contains the common classes used by the + Object_Adapter class and the Active_Object_Map class. These + common classes are usually used for similar maps such as the + ACE_Active_Map_Manager_Adapter and + ACE_Hash_Map_Manager_Ex_Adapter. + + - POA name separator was changed from '/' to '\0'. Since POA + names are strings, this makes a better choice since there is + no chance of a conflict with the string specified by the + user. + + - The POA name separator change also led to the removal of the + TAO specific extension which allowed users to specify a nested + POA name in find_POA() and create_POA(). The + Explicit_Activation, FindPOA, and NewPOA examples were changed + not to use the above TAO extention. + + - Fixed RootPOA example to remove extra exception code left + there by Bala. + + - Collocation table now maps addresses to Object Adapters + instead to the Root POAs. + + - POA objects and POA Manager objects now contain a reference to + lock rather than a lock instance. The locks coming from the + Object Adapter. This change was made to centralize the + locking and reduce the number of locks grabbed during request + dispatching. + + * tao/Active_Object_Map.cpp: + + - Fixed the calculation of <system_id_size>. + + - Removed a memory leak by iterating over the entries left in + the user id map and deleting the dynamically allocated + <Map_Entry>s. + + - Made sure that the user can specify the map sizes if desired. + + * tao/Connect.cpp (handle_message): Reduced the number of calls + made to access the object_key and its buffer. + + * tao/Object_KeyC.h: Added operator!= for Object Keys. + + * tao/poa_macros.h (TAO_POA_GUARD_RETURN and TAO_POA_GUARD): Added + new macros. + + * examples/POA/Adapter_Activator/: Added new example to test the + dynamic creation of POAs when dispatching requests. The + original POAs are deleted once the object references have been + created. After this, an adapter activator is install in the + RootPOA to reactivate the POAs on demand. + Tue Apr 6 02:40:31 1999 Nanbor Wang <nanbor@cs.wustl.edu> * examples/Simple/Simple_util.cpp (init): We have to make sure we |